Testing the quality of road lighting according to the criterion of illuminance

The quality of road lighting and the way in which urban spaces and public spaces are illuminated have been widely discussed in recent years in view of the increasing use of LED lighting, which is significantly different from traditional lighting systems with discharge lamps. New technology affects the change in the construction of the luminaire, [...]

Quantity vs. quality of LED lighting. Evaluation measures with consideration of physiology of vision, efficiency, and photobiological safety.

LED technology and its application in luminaires pose a new challenge for quantitative and qualitative evaluation of lighting, taking consideration of its influence on the comfort of performing visual tasks, on photobiological effects, and on photobiological safety. The field of LED lighting is in a particular way interpenetrated by issues related to the design, construction, [...]

Verifying indoor LED lighting for classrooms. Standard requirements, available instruments and new quality considerations

By Mikołaj Przybyła IES Member CIE Member| GL Optic  Proper lighting plays a key role in creating the right lighting conditions for learning and working in schools and other educational institutions, providing visual comfort, safety and energy efficiency. However, it is not enough to replace old luminaires with modern ones. What should be done to [...]

New Ecodesign Regulation on flicker and stroboscopic effect in LED lighting.

Flicker and Stroboscopic Visibility Measure (SVM) to be introduced by the revised Ecodesign Regulation for light sources by the end of 2019. Evaluation and measurements of optical flicker is a new task for electronic developers who provide solutions for LED lighting applications. When new drivers, power supplies or dimming electronics is purchased or designed, engineers [...]

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